Even with an exact part number, it will often push related items first. I was searching for a specific thermal printer, literally using the PN (something like C18647585), and it still decided to show me "sponsored" and related thermal printers first. So it somehow knew that part number as a keyword for thermal printers, but just didn't want to show me the one result that actually would be helpful (it was a third party seller, so maybe that penalizes the result?)